Intel SC450NX Product Guide - Page 133

Table 30. Port-80 Codes (continued) Normal Port 80 Codes Beeps Error 94 Disable A20 address line 95 Install CD-ROM for boot 96 Clear huge ES segment register 98 1-2 Search for option ROMs. One long, two short beeps on checksum failure 9A Shadow option ROMs 9C Set up Power Management 9E Enable hardware interrupts A0 Set time of day A2 Check key lock A4 Initialize typematic rate A8 Erase F2 prompt AA Scan for F2 key stroke AC Enter SETUP AE Clear in-POST flag B0 Check for errors B2 POST done - prepare to boot Operating System B4 1 One short beep before boot B5 Display MultiBoot menu B6 Check password (optional) B8 Clear global descriptor table BC Clear parity checkers BE Clear screen (optional) BF Check virus and backup reminders C0 Try to boot with INT 19 DO Interrupt handler error D4 Pending interrupt error D6 Initialize option ROM error D8 Shutdown error DA Extended Block Move DC Shutdown 10 error 133